G.Skill ECO Series F3-12800CL8D-8GBECO - Memory - 8 GB : 2 x 4 GB - DIMM 240-pin - DDR3 - 1600 MHz / PC3-12800 - CL8 - 1.35 V - unbuffered - non-ECC 8GB DDR3 PC3-12800 CL8 Dual Channel kit 2x4GB modules 240 pin configurations 1.35V operating voltage Timings of 8-8-8-24